Digit [0-9]
Letter [A-ZA-Z]
% {
INT count = 0;
%}
%%
{letter} ({letter} | {DIGIT}) * {Count ; Printf ("Number of IdentifierS =% D / N", count);
INT YYWRAP (Void) {
Return 1;
}
INT main (void) {
Yylex ();
Return 0;
